package main

import "fmt"

func main() {
	var a []int
	a = append(a, 1)
	a = append(a, 1,2,3)
	a = append(a, []int{1,2,3} ...)

	for i:=0; i<6 ;i++ {
		fmt.Printf("len: %d  cap: %d pointer: %d\n", len(a), cap(a), a[i])
	}
}
